/*
 * Copyright (c) 2009-2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 */

#ifndef ALKES_DIRECTX_IMAGE_BUFFER_H_INCLUDED_
#define ALKES_DIRECTX_IMAGE_BUFFER_H_INCLUDED_

#include "alkes/directx9/internal.h"
#include "alkes/media/ImageBuffer.h"

#include "alkes/directx9/DirectXSystem.h"

namespace alkes {

/// \addtogroup DirectX9
//@{

class AL_DX9_EXPORT DirectXImageBuffer
    : public ImageBuffer
{
    AL_DECLARE_CLASS(DirectXImageBuffer, ImageBuffer);

public:
    static DirectXImageBuffer* create(IDirect3DDevice* device, uint16_t width, uint16_t height, PixelFormat format);
    static DirectXImageBuffer* create(IDirect3DTexture* texture, uint16_t image_width, uint16_t image_height);

    virtual void getSize(uint16_t& width, uint16_t& height) const;
    virtual void getImageSize(uint16_t& width, uint16_t& height) const;
    virtual PixelFormat getPixelFormat() const;

    IDirect3DTexture* getTexture() { return texture_; }

protected:
    static DirectXImageBuffer* create();

    DirectXImageBuffer();
    virtual ~DirectXImageBuffer();

    bool initialize(IDirect3DDevice* device, uint16_t width, uint16_t height, PixelFormat format);
    bool initialize(IDirect3DTexture* texture, uint16_t image_width, uint16_t image_height);

    virtual void destroy();

    virtual void* onLockRect(const Rect& rect, uint32_t lock_mode, int32_t* pitch);
    virtual void onUnlockRect(const Rect& locked_rect);

private:
    IDirect3DTexture*  texture_;
    uint16_t image_width_, image_height_;
};

//@}

}

#endif
